diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8a4a312..4e97ed8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,7 +24,9 @@ set(MIRAGE_HDR_FORMAT "SG_PIXELFORMAT_RGBA16F" CACHE STRING "Enable HDR format")
 set(MIRAGE_PIXEL_FORMAT "SG_PIXELFORMAT_RGBA8" CACHE STRING "Pixel format")
 
 if (MIRAGE_USE_HDR)
-    add_definitions(-DMIRAGE_USE_HDR)
+    add_definitions(-DMIRAGE_USE_HDR=1)
+else ()
+    add_definitions(-DMIRAGE_USE_HDR=0)
 endif ()
 add_definitions(-DMIRAGE_HDR_FORMAT=${MIRAGE_HDR_FORMAT} -DMIRAGE_PIXEL_FORMAT=${MIRAGE_PIXEL_FORMAT})
 
diff --git a/example/src/main.cpp b/example/src/main.cpp
index 1511c29..b3815da 100644
--- a/example/src/main.cpp
+++ b/example/src/main.cpp
@@ -22,7 +22,7 @@ int main(int argc, char* argv[]) {
 	auto button = std::make_shared<mbutton>();
 
 	border->set_content(button)
-	.h_alignment(horizontal_alignment::left)
+	.h_alignment(horizontal_alignment::stretch)
 	.v_alignment(vertical_alignment::stretch)
 	.margin({ 10 });
 
diff --git a/src/core/window/windows/windows_window_state.cpp b/src/core/window/windows/windows_window_state.cpp
index 136dd71..0d6bdfb 100644
--- a/src/core/window/windows/windows_window_state.cpp
+++ b/src/core/window/windows/windows_window_state.cpp
@@ -11,7 +11,7 @@ bool windows_window_state::init(ID3D11Device* in_device, IDXGIFactory* in_factor
 	const auto size          = in_window->get_window_frame_size();
 	const auto window_handle = in_window->get_window_handle();
 
-#ifdef MIRAGE_USE_HDR
+#if MIRAGE_USE_HDR
 	constexpr auto sg_format = MIRAGE_HDR_FORMAT;
 #else
 	constexpr auto sg_format = MIRAGE_PIXEL_FORMAT;
@@ -160,7 +160,7 @@ void windows_window_state::rebuild_swapchain(const Eigen::Vector2i& size) {
 	// 尝试获取IDXGISwapChain4 (Windows 10 1803+)
 	IDXGISwapChain4* swapChain4 = nullptr;
 	if (SUCCEEDED(dx_swap_chain->QueryInterface(__uuidof(IDXGISwapChain4), (void**)&swapChain4))) {
-#ifdef DEBUG
+#if DEBUG
 		std::cout << "使用IDXGISwapChain4重建交换链" << std::endl;
 #endif
 
@@ -284,7 +284,7 @@ void windows_window_state::rebuild_swapchain(const Eigen::Vector2i& size) {
 	// 释放上下文
 	context->Release();
 
-#ifdef DEBUG
+#if DEBUG
 	std::cout << "交换链重建成功，新尺寸: " << size.x() << "x" << size.y() << std::endl;
 #endif
 }
diff --git a/third_party/msdfgen b/third_party/msdfgen
index 84bfb2a..0388956 160000
--- a/third_party/msdfgen
+++ b/third_party/msdfgen
@@ -1 +1 @@
-Subproject commit 84bfb2a402a3cffa4b44fb75123b37297ff37477
+Subproject commit 03889564a50452fa2e0b0a60973b5057001b391b